Greddy TVVC Manual Boost Controller for WRX STI CARS

The Trust Variable Valve Controller (TVVC) is the ultimate automotive manual boost controller for WRX STI CARS. Designed specifically for automotive use, this unit is built form high quality billet aluminum and oil and heat resistant seals. A locking and clicking dial insure precise adjustments of boost in either Actuator /Integral or Poppet/ External style wastegates. Can be mounted in the engine or the driver's compartment.

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